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Hotel / restaurant

Hotels and restaurants combine guest bathrooms, commercial kitchens, pools and stone finishes in one building. Water must stay where it belongs, and finishes must still look good after daily cleaning.

Hotel and restaurant beside a swimming pool cut in section, with the pool's waterproof lining highlighted in orange

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Solutions in build order

What this project needs, step by step

Basement section with a membrane on the outside face of the wall and under the floor slab, facing the groundwater. Basement waterproofing from outside (positive side) For new basements, or where the soil can be dug away, stop water on the face that the soil and groundwater press against. Build watertight concrete, seal every joint, coat or sheet the outside face, then backfill carefully. 7 steps Section of a new concrete swimming pool with waterproof coating and tiles on the inside, a sealed pipe and a floor joint New swimming pool (concrete shell) Build the pool shell watertight from day one: waterproof concrete, sealed joints and pipe entries, a cementitious waterproof coating, then pool-rated tile adhesive and grout. A structural engineer designs the shell itself. 7 steps Section of a kitchen with a sink counter, tiled splash-back, sealed worktop edges and waterproofed tiled floor with drain Kitchen floors, sinks & wash areas Kitchens get water, grease, food acids and cleaning chemicals at the sink, dishwash and cooking line. Home kitchens need sound tiling and mildew-resistant sealing; commercial kitchens also need waterproofing under the tiles and chemical-resistant epoxy grout. 5 steps Section of a bathroom floor with waterproofing turned up the walls under the tiles, sloping to a floor drain Bathroom waterproofing (under tiles) Most home leaks start in bathrooms: water gets through grout and cracks, runs along the slab and shows as seelan on the ceiling below or the wall next door. Strip, seal cracks, waterproof the floor and lower walls, then tile, grout and seal the fittings. 6 steps Section of a walk-in shower with full-height waterproofing behind the tiles, sealed pipes, a drain and a glass screen Shower area & walk-in shower The shower is the wettest spot in the house: floor, walls, niche and drain are soaked every day. It needs a continuous waterproof layer from floor to wall, epoxy grout and a mildew-resistant sealant at every corner. 6 steps Concrete stair in section clad with veined marble treads and risers set on an orange adhesive bed Marble, granite and natural stone Fixing, grouting, sealing and cleaning marble, granite and other natural stone on floors, stairs and walls. Stone can be sensitive to water, acids and staining, so test first and choose each product with that in mind. 6 steps Large thin porcelain slabs on a full orange adhesive bed, and the next slab with buttered back lowered onto ridged adhesive Large-format porcelain tiles and slabs Porcelain tiles of 60 × 60 cm and larger, on floors and walls. They need a flat base, a C2TE flexible adhesive and full bedding by back-buttering, or they ring hollow and crack. 7 steps Tiled shower wall with orange grout lines, falling water, and a cartridge gun filling a joint Epoxy tile grout (showers, kitchens, hospitals) Two-part epoxy grout from a cartridge gun gives stain-resistant, easy-clean joints in wet rooms, kitchens, malls, hospitals and indoor pools. It is for interior use, and the tile face needs protecting during grouting. 7 steps Bath against a tiled wall with an orange silicone bead where the bath rim meets the tiles, and a shower running Sanitary sealing (baths, basins, showers and kitchen tops) Silicone joints where tiles meet baths, shower trays, basins, WCs and kitchen worktops. Choose a mildew-resistant sealant that suits the surface, and reseal before water gets behind the tiles. 6 steps Flat roof section with an exposed coating on the slab, turned up and over the parapets and into the drain outlet. Exposed roof waterproofing A liquid-applied membrane that stays open to sun and rain on a flat or sloped concrete roof (chhat). Use it on a new roof once the slab is 28 days old, or to refurbish a leaking roof before the monsoon. 6 steps Balcony section with a waterproof coat under the screed and tiles, turned up the wall, and a railing post. Terrace and balcony waterproofing Balconies, terraces and open verandas that people walk on, usually finished with tiles. The waterproofing goes under the tile bed and turns up at walls, door thresholds and drains. 6 steps Section of a fountain basin with a water jet, waterproofed and tiled inside, stone clad outside, with a sealed pipe Fountains, water features & ornamental ponds Decorative fountains, water walls and ornamental ponds lose water through cracks, joints and pipe entries, and stone cladding stains. Seal the basin with a cementitious waterproof coating, then fix tiles or stone with water-resistant products. 6 steps Two double-glazed panels meeting at an aluminium mullion, sealed with orange silicone, with rain outside Glazing, curtain walls and shopfronts Weather-sealing joints in glass curtain walls, windows, shopfronts and metal cladding, and the specialist silicones used in structural glazing and insulating glass. This is professional facade work and needs project-specific adhesion tests. 6 steps